Keysight 53210A - Figure 5-3 Trigger and Gate Cycle - Gating; System Trigger

5 Triggering and Gating
128 Keysight 53210A User’s Guide
Figure 5-3 Trigger and Gate Cycle - Gating.
System Trigger
The counter operates in one of three states depending on the status of the system
trigger: idle, wait for trigger, and triggered.
Gate Source
SENSe:FREQuency:GATE:SOURce
SENSe:FREQuency:GATE:TIME
(from Triggered State)
Gate Start (open)
Gate Stop (closed)
(to SAMPle COUNt reached?)
auto gate extension
(measurement completes on next edge of
input signal after gate is closed)
(measurement complete)
(frequency and period measurements)
TIME
SENSe:FREQuency:GATE:POLarity
EXTernal / INPut[1]
Gate Start (open)
Gate Stop (closed)
INPut[1]:LEVel[:ABSolute]
Gate In/Out BNC Disable
OUTPut:STATe OFF
shown first sequentially
set last programmatically
(if gate source EXTernal)